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// |jit-test| --code-coverage
// Currently the Jit integration has a few issues, let's keep this test
// case deterministic.
//
// - Baseline OSR increments the loop header twice.
// - Ion is not updating any counter yet.
//
if (getJitCompilerOptions()["ion.warmup.trigger"] != 30)
setJitCompilerOption("ion.warmup.trigger", 30);
if (getJitCompilerOptions()["baseline.warmup.trigger"] != 10)
setJitCompilerOption("baseline.warmup.trigger", 10);
/*
* These test cases are annotated with the output produced by LCOV [1]. Comment
* starting with //<key> without any spaces are used as a reference for the code
* coverage output. Any "$" in these line comments are replaced by the current
* line number, and any "%" are replaced with the current function name (defined
* by the FN key).
*
*/
function checkLcov(fun) {
var keys = [ "TN", "SF", "FN", "FNDA", "FNF", "FNH", "BRDA", "BRF", "BRH", "DA", "LF", "LH" ];
function startsWithKey(s) {
for (k of keys) {
if (s.startsWith(k))
return true;
}
return false;
};
// Extract the body of the function, as the code to be executed.
var source = fun.toString();
source = source.slice(source.indexOf('{') + 1, source.lastIndexOf('}'));
// Extract comment starting with the previous keys, as a reference of the
// output expected from getLcovInfo.
var lcovRef = [];
var currLine = 0;
var currFun = "<badfunction>";
for (var line of source.split('\n')) {
currLine++;
for (var comment of line.split("//").slice(1)) {
if (!startsWithKey(comment))
continue;
comment = comment.trim();
if (comment.startsWith("FN:"))
currFun = comment.split(',')[1];
comment = comment.replace('$', currLine);
comment = comment.replace('%', currFun);
lcovRef.push(comment);
}
}
// Evaluate the code, and generate the Lcov result from the execution.
// Enabling LCov disables lazy parsing, as we rely on the ZoneCellIter to
// emulate the behaviour of the finalizer.
var g = newGlobal();
g.eval(source);
var lcovResRaw = getLcovInfo(g);
// Check that all the lines are present the result.
var lcovRes = lcovResRaw.split('\n');
for (ref of lcovRef) {
if (lcovRes.indexOf(ref) == -1) {
print("Cannot find `" + ref + "` in the following Lcov result:\n", lcovResRaw);
print("In the following source:\n", source);
assertEq(true, false);
}
}
}
checkLcov(function () { //FN:$,top-level //FNDA:1,%
",".split(','); //DA:$,1
//FNF:1
//FNH:1
//LF:1
//LH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
function f() { //FN:$,f
",".split(','); //DA:$,0
}
",".split(','); //DA:$,1
//FNF:2
//FNH:1
//LF:2
//LH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
function f() { //FN:$,f //FNDA:1,%
",".split(','); //DA:$,1
}
f(); //DA:$,1
//FNF:2
//FNH:2
//LF:2
//LH:2
});
checkLcov(function () { ','.split(','); //FN:$,top-level //FNDA:1,% //DA:$,1
//FNF:1
//FNH:1
//LF:1
//LH:1
});
checkLcov(function () { function f() { ','.split(','); } //FN:$,top-level //FNDA:1,% //FN:$,f //FNDA:1,f //DA:$,1
f(); //DA:$,1
//FNF:2
//FNH:2
//LF:2
//LH:2
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
if (l.length == 3) //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0
l.push(''); //DA:$,0
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:4
//LH:3
//BRF:2
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
if (l.length == 2) //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1
l.push(''); //DA:$,1
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:4
//LH:4
//BRF:2
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
if (l.length == 3) //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0
l.push(''); //DA:$,0
else
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:4
//LH:3
//BRF:2
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
if (l.length == 2) //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1
l.push(''); //DA:$,1
else
l.pop(); //DA:$,0
//FNF:1
//FNH:1
//LF:4
//LH:3
//BRF:2
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
if (l.length == 2) //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1
l.push(''); //DA:$,1
else {
if (l.length == 1) //DA:$,0 //BRDA:$,1,0,- //BRDA:$,1,1,-
l.pop(); //DA:$,0
}
//FNF:1
//FNH:1
//LF:5
//LH:3
//BRF:4
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
function f(i) { //FN:$,f //FNDA:2,%
var x = 0; //DA:$,2
while (i--) { // Currently OSR wrongly count the loop header twice.
// So instead of DA:$,12 , we have DA:$,13 .
x += i; //DA:$,10
x = x / 2; //DA:$,10
}
return x; //DA:$,2
//BRF:2
//BRH:2
}
f(5); //DA:$,1
f(5); //DA:$,1
//FNF:2
//FNH:2
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
try { //DA:$,1
var l = ",".split(','); //DA:$,1
if (l.length == 2) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1
l.push(''); //DA:$,1
throw l; //DA:$,1
}
l.pop(); //DA:$,0
} catch (x) { //DA:$,1
x.pop(); //DA:$,1
}
//FNF:1
//FNH:1
//LF:8
//LH:7
//BRF:2
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
try { //DA:$,1
try { //DA:$,1
if (l.length == 2) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1
l.push(''); //DA:$,1
throw l; //DA:$,1
}
l.pop(); //DA:$,0
} finally { //DA:$,1
l.pop(); //DA:$,1
}
} catch (x) { //DA:$,1
}
//FNF:1
//FNH:1
//LF:10
//LH:9
//BRF:4
//BRH:2
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
function f() { //FN:$,f //FNDA:1,%
throw 1; //DA:$,1
f(); //DA:$,0
}
var l = ",".split(','); //DA:$,1
try { //DA:$,1
f(); //DA:$,1
f(); //DA:$,0
} catch (x) { //DA:$,1
}
//FNF:2
//FNH:2
//LF:7
//LH:5
//BRF:0
//BRH:0
});
// Test TableSwitch opcode
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 //BRDA:$,0,4,0
case 0:
l.push('0'); //DA:$,0
break;
case 1:
l.push('1'); //DA:$,0
break;
case 2:
l.push('2'); //DA:$,1
break;
case 3:
l.push('3'); //DA:$,0
break;
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:4
//BRF:5
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 //BRDA:$,0,4,0
case 0:
l.push('0'); //DA:$,0
case 1:
l.push('1'); //DA:$,0
case 2:
l.push('2'); //DA:$,1
case 3:
l.push('3'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:5
//BRF:5
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
// Branches are ordered, and starting at 0
switch (l.length) { //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0 //BRDA:$,0,2,0 //BRDA:$,0,3,0 //BRDA:$,0,4,0
case 5:
l.push('5'); //DA:$,0
case 4:
l.push('4'); //DA:$,0
case 3:
l.push('3'); //DA:$,0
case 2:
l.push('2'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:4
//BRF:5
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0 //BRDA:$,0,2,0
case 2:
l.push('2'); //DA:$,1
case 5:
l.push('5'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:5
//LH:5
//BRF:3
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 //BRDA:$,0,2,0
case 3:
l.push('1'); //DA:$,0
case 5:
l.push('5'); //DA:$,0
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:5
//LH:3
//BRF:3
//BRH:1
});
// Unfortunately the differences between switch implementations leaks in the
// code coverage reports.
checkLcov(function () { //FN:$,top-level //FNDA:1,%
function f(a) { //FN:$,f //FNDA:2,%
return a; //DA:$,2
}
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1
case f(-42): //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1
l.push('1'); //DA:$,0
case f(51): //DA:$,1 //BRDA:$,1,0,0 //BRDA:$,1,1,1
l.push('5'); //DA:$,0
}
l.pop(); //DA:$,1
//FNF:2
//FNH:2
//LF:8
//LH:6
//BRF:4
//BRH:2
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 //BRDA:$,0,2,0 //BRDA:$,0,3,0
case 0:
case 1:
l.push('0'); //DA:$,0
l.push('1'); //DA:$,0
case 2:
l.push('2'); //DA:$,1
case 3:
l.push('3'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:5
//BRF:4
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0
case 0:
l.push('0'); //DA:$,0
case 1:
l.push('1'); //DA:$,0
case 2:
case 3:
l.push('2'); //DA:$,1
l.push('3'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:5
//BRF:4
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0
case 0:
l.push('0'); //DA:$,0
case 1:
default:
l.push('1'); //DA:$,0
case 2:
l.push('2'); //DA:$,1
case 3:
l.push('3'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:5
//BRF:4
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0
case 0:
l.push('0'); //DA:$,0
case 1:
l.push('1'); //DA:$,0
default:
case 2:
l.push('2'); //DA:$,1
case 3:
l.push('3'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:5
//BRF:4
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 //BRDA:$,0,4,0
case 0:
l.push('0'); //DA:$,0
case 1:
l.push('1'); //DA:$,0
default:
l.push('default'); //DA:$,0
case 2:
l.push('2'); //DA:$,1
case 3:
l.push('3'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:8
//LH:5
//BRF:5
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ",".split(','); //DA:$,1
switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0
case 0:
l.push('0'); //DA:$,0
case 1:
l.push('1'); //DA:$,0
default:
l.push('2'); //DA:$,1
case 3:
l.push('3'); //DA:$,1
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:7
//LH:5
//BRF:4
//BRH:1
});
checkLcov(function () { //FN:$,top-level //FNDA:1,%
var l = ','.split(','); //DA:$,1
if (l.length === 45) { //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0
switch (l[0]) { //DA:$,0 //BRDA:$,1,0,- //BRDA:$,1,1,-
case ',':
l.push('0'); //DA:$,0
default:
l.push('1'); //DA:$,0
}
}
l.pop(); //DA:$,1
//FNF:1
//FNH:1
//LF:6
//LH:3
//BRF:4
//BRH:1
});
// These tests are not included in ../debug/Script-getOffsetsCoverage-01.js
// because we're specifically testing a feature of Lcov output that
// Debugger.Script doesn't have (the aggregation of hits that are on the
// same line but in different functions).
{
checkLcov(function () { //FN:$,top-level //FNDA:1,%
function f() { return 0; } var l = f(); //DA:$,2
//FNF:2
//FNH:2
//LF:1
//LH:1
});
// A single line has two functions on it, and both hit.
checkLcov(function () { //FN:$,top-level //FNDA:1,%
function f() { return 0; } function g() { return 1; } //DA:$,2
var v = f() + g(); //DA:$,1
//FNF:3
//FNH:3
//LF:2
//LH:2
});
// A line has both function code and toplevel code, and only one of them hits.
checkLcov(function () { //FN:$,top-level //FNDA:1,%
if (1 === 2) //DA:$,1
throw "0 hits here"; function f() { return "1 hit here"; } //DA:$,1
f(); //DA:$,1
//FNF:2
//FNH:2
//LF:3
//LH:3
});
}
// These tests are not included in ../debug/Script-getOffsetsCoverage-01.js
// because they are testing behaviour of --code-coverage.
{
// Test function names
checkLcov(function () {
//FN:1,top-level
//FNDA:1,top-level
var x = function() {}; //FN:$,x
let y = function() {}; //FN:$,y
let z = {
z_method() { }, //FN:$,z_method
get z_prop() { }, //FN:$,get z_prop
}
});
}
// If you add a test case here, do the same in
// jit-test/tests/debug/Script-getOffsetsCoverage-01.js